Article (Scientific journals)
Noradrenergic control of auditory information processing in female canaries
Appeltants, D.; Del Negro, C.; Balthazart, Jacques
2002In Behavioural Brain Research, 133 (2), p. 221-235
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Keywords :
auditory perception; catecholamines; copulatory solicitation displays; DSP-4 neuroethology; norepinephrine; songbird
Abstract :
[en] An ethological procedure, based on the study of the sexual responsiveness of female canaries (Serinus canaria) to song playbacks was used to investigate the function of central noradrenergic inputs in the processing of auditory information. The effects of a noradrenergic denervation on sexual responses was analyzed in females exposed to playbacks of biological relevant auditory stimuli, i.e. sexually stimulating songs, presented alone or masked by auditory distractors. A decrease in behavioral responsiveness was observed as a function of the amount of masking distractors indicating that female canaries have the perceptual ability to discriminate and selectively attend to biologically relevant songs. After the systemic administration of DSP-4, a specific noradrenergic neurotoxin, females exhibited an overall decrease in sexual responsiveness to songs masked or not by distractors. No effect of DSP-4 were detected on the motor activity nor on reproductive behaviors. These results indicate that central noradrenergic inputs modulate the sexual behavior of female canaries by affecting the auditory processing of relevant information contained in sexually stimulating songs. (C) 2002 Elsevier Science B.V. All rights reserved.
Disciplines :
Neurosciences & behavior
Author, co-author :
Appeltants, D.
Del Negro, C.
Balthazart, Jacques  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau
Language :
English
Title :
Noradrenergic control of auditory information processing in female canaries
Publication date :
18 July 2002
Journal title :
Behavioural Brain Research
ISSN :
0166-4328
eISSN :
1872-7549
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
133
Issue :
2
Pages :
221-235
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 April 2009

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